Dr. Miller is a highly educated Black surgeon who studied medicine in Europe and New York. Despite his international training and regular publication in medical journals, he chooses to reside in his native Wellington to serve his community by building a hospital. He holds a philosophical outlook on race relations, sincerely believing that his professional excellence and quiet respectability will eventually win the acceptance of his white neighbors.

Major Carteret is the final heir of an aristocratic Southern family that lost its wealth after the Civil War. Financed by his wife's money, he runs a successful local newspaper called the Morning Chronicle. He views Black Americans as inferior and aggressively uses his editorial power to stir up white supremacist sentiment, seeking to overthrow Wellington's multiracial local government.

Born Olivia Merkell, she is the wife of Major Carteret and a prominent figure in Wellington's high society. She resents the presence of the Black community in her former family mansion and experiences intense anxiety over her unacknowledged biracial sister. After a difficult childbirth that leaves her unable to have more children, her world centers entirely around protecting her infant son.

Janet is an educated biracial woman married to Dr. Miller. She bears a striking physical resemblance to her white half sister, Olivia Carteret. Despite facing total social rejection from her white relatives, she quietly longs for their acknowledgment and recognition, carrying the emotional burden of her fractured family line.

An elderly, aristocratic Southern gentleman with white hair and weak legs. Unlike his peers, Mr. Delamere holds deep affection and absolute trust for his Black servants and willingly donates to Dr. Miller's hospital. He maintains a firm personal code of honor and consistently speaks out for equality, refusing to bow to the racist rhetoric popular among his class.

A large, burly man with one gray eye who made his fortune exploiting convict labor. As a former leader of a white supremacist group, he represents the violently overt faction of Wellington's racist movement. He lacks aristocratic breeding and refinement but continuously attempts to force his way into polite society, using his wealth to gain leverage over others.

Mrs. Ochiltree is Olivia's aunt, a gaunt, sharp-tongued elderly woman who raised her niece after Elizabeth Merkell's death. She harbors deep prejudices and holds closely guarded secrets regarding her late brother-in-law's household affairs. As she ages, her memory and cognition begin to fail, making her sudden disclosures unpredictable.

An editor at the Morning Chronicle, Ellis comes from a Quaker family that historically opposed enslavement. He is in love with his employer's half sister but feels deeply disadvantaged against wealthier, more aristocratic suitors like Tom Delamere. Though he shares some prejudices common to his peers, he quietly opposes mob violence and lynchings.

Mr. Delamere's handsome, aristocratic grandson and heir. He is viewed by the older generation as a polished gentleman, but he secretly frequents card games, drinks heavily, and cheats to maintain his expensive lifestyle. Appearances matter far more to him than morals, and he resents any criticism of his behavior from his elders.

A Black man in his forties who works as a loyal manservant to the Delamere family. He wears somewhat outdated clothes and maintains strict Methodist ideals until social pressures push him toward drinking. He possesses deep devotion to his employers, believing his loyalty ensures his safety and standing in Wellington.

An aristocratic politician who forms a powerful trio alongside Major Carteret and Captain McBane to suppress the local Black population. He brings strategic cunning to their group, advising on how to sway public opinion through the press without appearing excessively cruel or barbaric to the broader national public.

Major Carteret's younger half sister, a wealthy young woman who draws the attention of multiple suitors in Wellington. She enjoys socializing and is initially charmed by superficial manners and aristocratic lineage, though she gradually begins to notice the moral flaws in her chosen romantic prospects.

The devoted Black nursemaid to the Carteret family who previously nursed Olivia and her mother. She holds strong superstitious beliefs, frequently utilizing root-work and charms to ward off bad luck for the child. She identifies closely with her employers, maintaining absolute loyalty to the old social hierarchy even as racial tensions escalate.

Mammy Jane's grandson who works as a porter at the local newspaper. He often overhears political plots while serving drinks and attempts to ingratiate himself with white men in power. He purchases skin-lightening and hair-straightening products, fully believing that his compliance and efforts to assimilate will protect him from racial violence.

A working-class Black resident of Wellington who harbors a deep, personal grudge against the men who enforce white supremacy. He completely rejects the philosophical patience of leaders like Dr. Miller, favoring direct self-defense. He actively prepares himself for an inevitable violent confrontation with the men who destroyed his family.

The infant son of Major and Olivia Carteret, affectionately called Dodie. Born after a difficult labor that leaves his mother unable to have more children, he is heavily doted upon by his parents. He possesses a small birthmark that worries his nurse, and he proves prone to sudden, life-threatening accidents and respiratory illnesses.

A prominent medical specialist from Philadelphia who travels to Wellington for a consultation regarding an infant's severe health crisis. He acts as a mentor to Dr. Miller and is entirely unaccustomed to the strict racial segregation and social rules enforced in the Southern states.

The deceased father of both Olivia Carteret and Janet Miller. His past household decisions, including his relationship with his Black servant, leave a complicated legal and emotional legacy that haunts his descendants long after his death.

A Black servant who worked in the Merkell household. She is the mother of Janet Miller, and the exact legal nature of her relationship with her employer remains a closely guarded secret among the surviving white relatives who expelled her from the estate.